222344140021 has 4 divisors (see below), whose sum is σ = 234046463200. Its totient is φ = 210641816844.

The previous prime is 222344139989. The next prime is 222344140027. The reversal of 222344140021 is 120041443222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222344140021 - 2⁵ = 222344139989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222344140027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5851161561 + ... + 5851161598.

It is an arithmetic number, because the mean of its divisors is an integer number (58511615800).

Almost surely, 2^222344140021 is an apocalyptic number.

It is an amenable number.

222344140021 is a deficient number, since it is larger than the sum of its proper divisors (11702323179).

222344140021 is a wasteful number, since it uses less digits than its factorization.

222344140021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11702323178.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 222344140021 its reverse (120041443222), we get a palindrome (342385583243).

The spelling of 222344140021 in words is "two hundred twenty-two billion, three hundred forty-four million, one hundred forty thousand, twenty-one".